EVENTS & PRESENTATIONS

INVESTOR RELATIONS

NEWS RELEASE

Mannatech Declares First Quarter 2019 Dividend

FLOWER MOUND, Texas--(BUSINESS WIRE)--May 31, 2019--
Mannatech,
Incorporated(NASDAQ: MTEX),
a global health and wellness company committed to transforming lives to
make a better world, announced that its Board of Directors declared a
cash dividend of $0.125per share of common stock,
payable on Friday, June 28, 2019, to shareholders of record at the close
of business on Friday, June 21, 2019. The dividend reflects a commitment
to rewarding shareholders and encouraging long-term investment in
Mannatech’s common stock.

Alfredo “Al” Bala, President and CEO of Mannatech, said, “Mannatech is
fully committed to delivering value to our shareholders. The company's
strengths, including the quality of our products and the potency of our
sales force, positions the company well to support a dividend.”

About Mannatech

Mannatech, Incorporated is committed to transforming lives through the
development of high quality integrated health, weight management,
fitness and skin care products distributed through its global network of
independent associates and members. The company has been operating for
more than 20 years with operations in 26 markets^. For more information,
visit Mannatech.com.

^ Mannatech operates in China under a cross-border e-commerce platform
that is separate from its network marketing model.

Please Note: This release contains “forward-looking statements”
within the meaning of Section 27A of the Securities Act of 1933, as
amended, Section 21E of the Securities Exchange Act of 1934, as amended,
and the Private Securities Litigation Reform Act of 1995. These
forward-looking statements generally can be identified by use of phrases
or terminology such as “may,” “will,” “should,” “hope,” “could,”
“would,” “expects,” “plans,” “intends,” “anticipates,” “believes,”
“estimates,” “approximates,” “predicts,” “projects,” “potential,” and
“continues” or other similar words or the negative of such terminology.
Similarly, descriptions of Mannatech’s objectives, strategies, plans,
goals or targets contained herein are also considered forward-looking
statements. Mannatech believes this release should be read in
conjunction with all of its filings with the United States Securities
and Exchange Commission and cautions its readers that these
forward-looking statements are subject to certain events, risks,
uncertainties, and other factors. Some of these factors include, among
others, Mannatech’s inability to attract and retain associates and
members, increases in competition, litigation, regulatory changes, and
its planned growth into new international markets. Although Mannatech
believes that the expectations, statements, and assumptions reflected in
these forward-looking statements are reasonable, it cautions readers to
always consider all of the risk factors and any other cautionary
statements carefully in evaluating each forward-looking statement in
this release, as well as those set forth in its latest Annual Report on
Form 10-K, and other filings filed with the United States Securities and
Exchange Commission, including its current reports on Form 8-K. All of
the forward-looking statements contained herein speak only as of the
date of this release.